RFR: 8274699: Certain blend modes cannot be set from CSS [v2]

[Kevin Rushforth]

On Thu, 14 Oct 2021 21:47:16 GMT, Marius Hanl <mhanl at openjdk.org> wrote:

>> This PR fixes a bug where the blend mode will be falsely recognized as a color and therefore won't be set. 
>> Also a ClassCastException is thrown (The converter expects a String, but gets a Color).
>> 
>> Note: There is another similar bug but I can't reproduce it (Tried with 18-ea+3).
>> https://bugs.openjdk.java.net/browse/JDK-8268657
>> It also looks different so I don't think this PR fixes this, if it is still there.
>
> Marius Hanl has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - 8274699: Revert whitespace
>  - 8274699: Revert minor code change

Marked as reviewed by kcr (Lead).

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PR: https://git.openjdk.java.net/jfx/pull/640